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Finding the Fourth Proportional to 602,384.40, 831,282.72 and 344,258.44

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Solution

The fourth proportional to 602,384.40, 831,282.72 and 344,258.44 is: 475,072.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,384.40 : 831,282.72 = 344,258.44 : x
  2. Step 2: Convert to fraction form
    602,384.40/831,282.72 = 344,258.44/x
  3. Step 3: Cross multiply
    602,384.40x = 831,282.72 × 344,258.44
  4. Step 4: Simplify right side
    602,384.40x = 286,176,092,386.16
  5. Step 5: Solve for x
    x = 286,176,092,386.16/602,384.40
  6. Step 6: Final answer
    x = 475,072.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.